1 /*
   2  * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.apple.laf;
  27 
  28 import java.awt.*;
  29 import java.awt.event.*;
  30 import java.awt.peer.MenuComponentPeer;
  31 
  32 import javax.swing.*;
  33 import javax.swing.plaf.ComponentUI;
  34 
  35 import sun.lwawt.macosx.CMenuItem;
  36 
  37 @SuppressWarnings("serial") // JDK implementation class
  38 final class ScreenMenuItem extends MenuItem implements ActionListener, ComponentListener, ScreenMenuPropertyHandler {
  39     ScreenMenuPropertyListener fListener;
  40     JMenuItem fMenuItem;
  41 
  42     ScreenMenuItem(final JMenuItem mi) {
  43         super(mi.getText());
  44         fMenuItem = mi;
  45         setEnabled(fMenuItem.isEnabled());
  46         final ComponentUI ui = fMenuItem.getUI();
  47 
  48         if (ui instanceof ScreenMenuItemUI) {
  49             ((ScreenMenuItemUI)ui).updateListenersForScreenMenuItem();
  50             // SAK:  Not calling this means that mouse and mouse motion listeners don't get
  51             // installed.  Not a problem because the menu manager handles tracking for us.
  52     }
  53     }
  54 
  55     public void addNotify() {
  56         super.addNotify();
  57 
  58         fMenuItem.addComponentListener(this);
  59         fListener = new ScreenMenuPropertyListener(this);
  60         fMenuItem.addPropertyChangeListener(fListener);
  61         addActionListener(this);
  62 
  63         setEnabled(fMenuItem.isEnabled());
  64 
  65         // can't setState or setAccelerator or setIcon till we have a peer
  66         setAccelerator(fMenuItem.getAccelerator());
  67 
  68         final String label = fMenuItem.getText();
  69         if (label != null) {
  70             setLabel(label);
  71         }
  72 
  73         final Icon icon = fMenuItem.getIcon();
  74         if (icon != null) {
  75             this.setIcon(icon);
  76         }
  77 
  78         final String tooltipText = fMenuItem.getToolTipText();
  79         if (tooltipText != null) {
  80             this.setToolTipText(tooltipText);
  81         }
  82 
  83         if (fMenuItem instanceof JRadioButtonMenuItem) {
  84             final ComponentUI ui = fMenuItem.getUI();
  85 
  86             if (ui instanceof ScreenMenuItemUI) {
  87                 ((ScreenMenuItemUI)ui).updateListenersForScreenMenuItem();
  88             }
  89         }
  90     }
  91 
  92     public void removeNotify() {
  93         super.removeNotify();
  94         removeActionListener(this);
  95         fMenuItem.removePropertyChangeListener(fListener);
  96         fListener = null;
  97         fMenuItem.removeComponentListener(this);
  98     }
  99 
 100     static void syncLabelAndKS(MenuItem menuItem, String label, KeyStroke ks) {
 101         final MenuComponentPeer peer = menuItem.getPeer();
 102         if (!(peer instanceof CMenuItem)) {
 103             //Is it possible?
 104             return;
 105         }
 106         final CMenuItem cmi = (CMenuItem) peer;
 107         if (ks == null) {
 108             cmi.setLabel(label);
 109         } else {
 110             cmi.setLabel(label, ks.getKeyChar(), ks.getKeyCode(),
 111                          ks.getModifiers());
 112         }
 113     }
 114 
 115     @Override
 116     public synchronized void setLabel(final String label) {
 117         syncLabelAndKS(this, label, fMenuItem.getAccelerator());
 118     }
 119 
 120     @Override
 121     public void setAccelerator(final KeyStroke ks) {
 122         syncLabelAndKS(this, fMenuItem.getText(), ks);
 123     }
 124 
 125     public void actionPerformed(final ActionEvent e) {
 126         fMenuItem.doClick(0); // This takes care of all the different events
 127     }
 128 
 129     /**
 130      * Invoked when the component's size changes.
 131      */
 132     public void componentResized(final ComponentEvent e) {}
 133 
 134     /**
 135      * Invoked when the component's position changes.
 136      */
 137     public void componentMoved(final ComponentEvent e) {}
 138 
 139     /**
 140      * Invoked when the component has been made visible.
 141      * See componentHidden - we should still have a MenuItem
 142      * it just isn't inserted
 143      */
 144     public void componentShown(final ComponentEvent e) {
 145         setVisible(true);
 146     }
 147 
 148     /**
 149      * Invoked when the component has been made invisible.
 150      * MenuComponent.setVisible does nothing,
 151      * so we remove the ScreenMenuItem from the ScreenMenu
 152      * but leave it in fItems
 153      */
 154     public void componentHidden(final ComponentEvent e) {
 155         setVisible(false);
 156     }
 157 
 158     public void setVisible(final boolean b) {
 159         // Tell our parent to add/remove us -- parent may be nil if we aren't set up yet.
 160         // Hang on to our parent
 161         final MenuContainer parent = getParent();
 162 
 163         if (parent != null) {
 164             ((ScreenMenuPropertyHandler)parent).setChildVisible(fMenuItem, b);
 165         }
 166     }
 167 
 168     public void setToolTipText(final String text) {
 169         final MenuComponentPeer peer = getPeer();
 170         if (!(peer instanceof CMenuItem)) return;
 171 
 172         final CMenuItem cmi = (CMenuItem)peer;
 173         cmi.setToolTipText(text);
 174     }
 175 
 176     public void setIcon(final Icon i) {
 177         final MenuComponentPeer peer = getPeer();
 178         if (!(peer instanceof CMenuItem)) return;
 179 
 180         final CMenuItem cmi = (CMenuItem)peer;
 181             Image img = null;
 182 
 183         if (i != null) {
 184             if (i.getIconWidth() > 0 && i.getIconHeight() > 0) {
 185                     img = AquaIcon.getImageForIcon(i);
 186                 }
 187         }
 188             cmi.setImage(img);
 189         }
 190 
 191     // we have no children
 192     public void setChildVisible(final JMenuItem child, final boolean b) {}
 193 
 194     // only check and radio items can be indeterminate
 195     public void setIndeterminate(boolean indeterminate) { }
 196 }